Overview
The Texas Instruments LM5101AMX/NOPB is a high-voltage half-bridge gate driver designed to drive both the high-side and low-side N-Channel MOSFETs in various power conversion configurations. This device is part of the LM5101 series, which offers robust and high-speed operation with low power consumption. The LM5101AMX/NOPB is particularly suited for applications requiring precise control over MOSFETs in synchronous buck converters, half and full bridge power converters, and other high-voltage switching circuits.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM5101AMX/NOPB |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Driven Configuration | Half-Bridge |
| Channel Type | Independent |
| Number of Drivers | 2 |
| Gate Type | N-Channel MOSFET |
| Voltage - Supply | 9 V ~ 14 V |
| Logic Voltage - VIL, VIH | 2.3V, - |
| Current - Peak Output (Source, Sink) | 3A, 3A |
| Input Type | Non-Inverting |
| High Side Voltage - Max (Bootstrap) | 118V |
| Rise / Fall Time (Typ) | 430ns, 260ns |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Key Features
- Fast propagation times with a typical delay of 25 ns and rise/fall times of 8 ns for a 1000-pF load.
- Excellent propagation delay matching of 3 ns typical.
- Supply rail undervoltage lockout for enhanced reliability.
- Low power consumption.
- Pin compatible with HIP2100/HIP2101.
- Independent high- and low-driver logic inputs.
- Robust level shifter capable of operating with supply voltages up to 100 V.
Applications
- Current-fed push-pull converters.
- Half and full bridge power converters.
- Synchronous buck converters.
- Two-switch forward power converters.
- Forward converters with active clamp.
Q & A
- What is the LM5101AMX/NOPB used for? The LM5101AMX/NOPB is used to drive high-side and low-side N-Channel MOSFETs in various power conversion configurations.
- What are the typical propagation times for the LM5101AMX/NOPB? The typical propagation times are 25 ns.
- What is the maximum high-side voltage for the LM5101AMX/NOPB? The maximum high-side voltage is 118V.
- What are the rise and fall times for the LM5101AMX/NOPB? The rise and fall times are typically 430ns and 260ns, respectively.
- What is the operating temperature range for the LM5101AMX/NOPB? The operating temperature range is -40°C to 125°C (TJ).
- Is the LM5101AMX/NOPB pin compatible with other devices? Yes, it is pin compatible with HIP2100/HIP2101.
- What is the package type for the LM5101AMX/NOPB? The package type is 8-SOIC (0.154", 3.90mm Width).
- What are the peak output currents for the LM5101AMX/NOPB? The peak output currents are 3A for both source and sink.
- Does the LM5101AMX/NOPB have undervoltage lockout protection? Yes, it has supply rail undervoltage lockout protection.
- What are some common applications for the LM5101AMX/NOPB? Common applications include synchronous buck converters, half and full bridge power converters, and two-switch forward power converters.
